Research in Higher Education

, Volume 19, Issue 2, pp 153–158 | Cite as

Estimating the effects of college, department, course, and teacher on earned credit rates

  • John Q. Easton
  • Thomas R. Guskey


The objective of this study was to examine systematically the variance in earned credit rates (percent of students earning A, B, C, or D) in an urban community college system. An ANOVA design was employed to estimate the independent effects of four independent variables: college, department, course, and teacher (nested within college by department). The results of the analysis indicate significant effects on earned credit rates due to college, department, and teacher. Differences between colleges and between teachers within departments in colleges account for the preponderance of the variance. This paper contains a discussion of departmental staff development tactics.


Independent Effect Education Research Community College Credit Rate Urban Community 
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Copyright information

© Agathon Press, Inc 1983

Authors and Affiliations

  • John Q. Easton
    • 1
  • Thomas R. Guskey
    • 2
  1. 1.Center for Improvement of Teaching and LearningChicago
  2. 2.University of KentuckyUSA

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